R J Dorn 0-6-0 Locomotives in Martinique


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 14755)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Vol 63, p 241. Works numbers were 54006-54008 in November 1920.

R J Dorn was a dealer on this Caribbean island. Locobase suspects the customer was a sugar processor, but cannot confirm.

Principal Dimensions by Steve Llanso of Sweat House Media

Classunknown
Locobase ID14755
RailroadR J Dorn
CountryMartinique
Whyte0-6-0T
Number in Class3
Road Numbers
Gauge130 cm
Number Built3
BuilderBaldwin
Year1920
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 6.75 / 2.06
Engine Wheelbase (ft / m) 6.75 / 2.06
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 6.75 / 2.06
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)32,000 / 14,515
Engine Weight (lbs / kg)32,000 / 14,515
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)32,000 / 14,515
Tender Water Capacity (gals / ML)500 / 1.89
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)18 / 9
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)28 / 711
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)9" x 14" / 229x356
Tractive Effort (lbs / kg)5508 / 2498.39
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.81
Heating Ability
Tubes (number - dia) (in / mm)72 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.33 / 2.54
Firebox Area (sq ft / m2)30.50 / 2.83
Grate Area (sq ft / m2) 6.40 / 0.59
Evaporative Heating Surface (sq ft / m2)266 / 24.71
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)266 / 24.71
Evaporative Heating Surface/Cylinder Volume258.04
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1024
Same as above plus superheater percentage1024
Same as above but substitute firebox area for grate area4880
Power L13031
Power MT626.46

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